Domain Glossary
6 terms matching your filter
DKIM (DomainKeys Identified Mail)
An email authentication method using cryptographic signatures to verify email legitimacy.
intermediate
DMARC
An email security policy that instructs receiving servers how to handle emails that fail SPF/DKIM checks.
advanced
DNS (Domain Name System)
The internet's phonebook — translates domain names into IP addresses.
beginner
DNS Propagation
The time it takes for DNS changes to spread across all servers globally, typically a few hours.
beginner
DNS Resolver
A server that performs recursive DNS lookups on behalf of client devices.
intermediate
DNSSEC (DNS Security Extensions)
Cryptographic extensions that verify DNS records haven't been tampered with — protection against spoofing.
advanced